In a school, the ratio of boys to girls is 7:5. If there are 4800 students in the school, the how many girls are there in the school?.

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Solution

$\frac{B}{G} = \frac{7}{5}$ $[\begin{matrix} B \to N o . o f B o y s G \to N o . o f G i r l s \end{matrix}]$
Total no. of students $= 4800$
$\Rightarrow B + G = 4800$
$\frac{7 G}{5} + G = 4800$
$\frac{12 G}{5} = 4800$
$G = 400 \times 5 = 2000$
$∴$ No. of girls $= 2000$ .

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In a school, the ratio of boys to girls is 7:5. If there are 4800 students in the school, the how many girls are there in the school?.

BG=75 [B→No.ofBoysG→No.ofGirls]Total no. of students=4800⇒B+G=48007G5+G=480012G5=4800G=400×5=2000∴ No. of girls=2000.

$\frac{B}{G} = \frac{7}{5}$ $[\begin{matrix} B \to N o . o f B o y s G \to N o . o f G i r l s \end{matrix}]$
Total no. of students $= 4800$
$\Rightarrow B + G = 4800$
$\frac{7 G}{5} + G = 4800$
$\frac{12 G}{5} = 4800$
$G = 400 \times 5 = 2000$
$∴$ No. of girls $= 2000$ .